Highest torques are safely and reliable transmitted at the highest speed via a contoured single diaphragm. Power ranges of up to 150 MW can be easily accommodated to match our high-speed gear units. The unique contoured diaphragm and its flexibility allow the compensation of axial, radial and angular misalignments.

Our diaphragm couplings are maintenance-free and stand out for their extremely long service life along with maximum availability. Plus, the basic version consists of just a few components, which simplifies assembly and handling significantly for the user.


  • Maintenance-free

  • High temperature-resistance

  • Maximum radial rigidity

  • Low restoring forces and bending moments

  • Lightweight

  • Very high torque and speed transmission

  • Long service life with maximum reliability

  • Very high balance quality

  • Few individual components for simple assembly

We can provide original German RENK gearboxes, couplings, sliding bearings, RENK bearings, oil seals, oil rings, and other accessories, so no matter what brand of motor the customer uses (including but not limited to: TECO Motor , ABB motors, Siemens motors, WEG motors, Marathon motors), as long as they are equipped with RENK products, we can provide related RENK product services.

  • Brand: RENK
  • Type: Diaphragm couplings
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